A mid-stage nip slip is the stuff dreams are made of -- except when it's 53-year-old Madonna doing the flashing ... then it's just kinda sad.
The Queen of Pop was performing her song "Human Nature" in Istanbul Thursday for her MDNA tour ... when apparently she got bored by her own performance and decided to spice things up.
The middle-aged pop star suddenly ripped her bra down mid-song ... flashing her right nipple to more than 55,000 fans ... and it seemed no one cared.
Could it be it's no big deal in other countries, or it's no big deal when you're North of 50?
53-Year Old Nip Slip ... Does Anyone Care?
6/10/2012 6:46 AM PDT BY TMZ STAFF
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